- Rapport
- Kärnkraft
Lifetime extension of nuclear instrumentation and control systems
| 2017:006 | Fredrik Bengtsson, ÅF
The Nordic nuclear fleet has or is about to approach 40-years lifetime, and several instrumentation and control systems in the plants need to be modernized. This makes it important to have a clear understanding of the different alternatives on how to handle aging in a long term operation perspective.
The alternatives range from a simple repair to a complex reversed engineering or even redesign, and the optimum choice must be decided from project to project. Key factors in the decision-making process are for example available documentation, status of the existing system, remaining lifetime of the plant etc. This report summarizes findings regarding cost efficient lifetime extension from several activities within R&D program Energiforsk Safety Related Nuclear Instrumentation and Control system, ENSRIC.